Bicycle-hub.



F. S. ELLETT.

Y, BICYCLE HUB.

. APPLxcATloN FILED MAR. 22. i912.

1 9 143,26 l m Patented June 15, 1915.

FREDERICK s. ELLETI', or ELMIEA, NEW Yoan, AssIeNoE rro ECLIPSE MACHINE CoMrANY, or ELMIEA, NEW Yoan, A CORPORATION.

BICYCLE-HUB.

Maasai.

Application led March 22, 1912. Serial No. 685,510.A

T all whom it may concem.'

Be it known that I, FREDERICK S. ELLErr,

a .citizen of the United States, residing at Elmira, in the county ofv Chemung and State of New York, have invented certain new and useful Improvements in Bicycle-Hubs, of which the following is aspeciication.v

This invention relates to wheel hubs, and more particularly to ball-bearing hubs for the front wheel of a bicycle,- although it will be understood thatk the invention is of general aPplication..

The objects of my invention are to provide a hub which is simple in construction, durable and comparatively inexpensive to manufacture, and which `is adapted to be readily removed from the frame by which it is carried withoutl springing or disturbing the frame in any way.

Other objects and the features of novelty will be apparent from the following description, taken in connectionvwith the accompanying drawings. In the drawings, Figurel is a longitudinal section of a hub embodying my invention; Fig. 2 is an elevation of the hub with the barrel and the balls removed andwith the axle or draw-bolt partly withdrawn; and Fig. 3 is a longitudinal section of a modified form of one of the hub members.

f Referring to the drawings, 10 and 11 indicate any suitable supporting members `for the axle, such as the front fork of a bicycle. Arranged between the supporting members 10 and 11 is a hub shell or barrel 12, having the flanges 13 and 14 to which the wheel spokes may be attached. The shell or barrel 12 is preferably formed with a cylindrical bore 15 which is enlarged at the ends of the barrel, as indicated at 16 and 17, to receive the bearing cones 18 and 19 respectively; Balls 20 are arranged in the enlarged portions 16 and 17 of the bore of the barrel and engage suitable races on the cones 18 and 19 and rotatably support the' barrel.- The cones 18 and 19 are bored out and fitted upon the ends of the tubular members 21. and 22 respectively. The tubular members 21 and 22 may be provided with shoulders 23 against which the ends of the cones abut and may have their end portions expanded l rigidly held on the tubular members so that each tubular member with its cone constitutes practically one piece. In some instances it may be preferable to form the cones and the tubular members integral as shown in Fig. 3.

One of the tubular members, Vsuch as the member 21, is provided with a reduced inner end 26, which is externally threaded, and the other tubular member may have its inner end bored'out as at 27, and internally sere -threaded to fit the end 26. The tubular members are preferably made substantially smaller in diameter than the bore of the barrel 12 so that the barrel willbe free to rotate on the balls 20. An axle or drawbolt 2 8 extends through' the tubular members 21 and 22 and through suitable eyes formed in the supporting members 10 and 11 and has its ends preferably screw-threaded to receive the nuts 29 and 30. Washers 31 may be provided between the nuts 29 and 30 and the sides of the members 10 and 11.

From thedrawings it will be readily seen Vthat by tightening the nuts 29 and 30 the supporting members 10 and 11 will be drawn againstA the ends of the tubular members and the cones and securely clamp the latter in position with the barrel free to rotate on the'balls 20. The outer ends of the cones may beA provided with the angular portions 18 and 19', which are adapted to receive a wrench for the purpose of adjusting the positions of the cones. By loosening either or both of the nuts 29 and 30 it will be seen that the .cones may be adjusted by turning one of the tubular members 21 and 22 relatively to the other because of the screwthreaded connection between the inner en ds of the tubular members.

When it is desired to remove the hub froml -the necessity, which has heretofore existed in Wheel hubs of this class, of springing the supporting members 10 and 11 over the ends of what corresponds to the axle 28 'and therefore it will be seen that my invention provides a simple construction which may be easily dismounted, and which is at the s'pecicauon of Letters raient. l Patented 31111015, 1915,a

same time durable', and owing to its having few parts, isvcomparatively inexpensive to manufacture Since the supports 10 and 11 bear against the ends of the tubular members 2l and 22, the wheel will always be arranged centrally between the supports.

It will be understood that various changes may be made in the minor details of -construction within the scope of the appended claim, and therefore I do not wish to be limited to the precise details shown and described.

Having thus described my invention, what I claim is A hub comprising a barrel, tubular members having their inner ends in screw-threaded engagement and adapted to rotatably support said barrel, supports for the hub arranged at the outer ends of said tubular members, and a bolt extending through said tubular members and said supports and on which said tubular members may be turned, said'bolt being removable without disturbing said supports and adapted to clamp said supports against the outer -ends of said tubular members.

In testimony whereof I aiiX my signature in presence of two witnesses.

l FREDERICK S. ELLETT. Witnesses:

J. COSTELLO, v LEAH M. JOHNSON. 

